Overview
The MAX11645EWC+T is a low-power, 12-bit, 1-/2-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11644/MAX11645 family, known for their high performance and compact design. The MAX11645EWC+T features an internal track/hold (T/H), voltage reference, clock, and an I²C-compatible 2-wire serial interface, making it highly versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Number of Channels | 1 or 2 (single-ended or 1 differential) |
| Supply Voltage | 2.7V to 3.6V |
| Internal Reference Voltage | 2.048V |
| External Reference Voltage Range | 1V to VDD |
| Sample Rate | Up to 94.4ksps |
| Current Consumption at 1ksps | 6µA |
| Power-Down Current | < 1µA |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 12-WLCSP (Wafer Level Chip Scale Package) |
| I²C Serial Interface Speed | 400kHz Fast Mode, 1.7MHz High-Speed Mode |
Key Features
- Ultra-tiny 1.9mm x 2.2mm WLP package and 8-pin µMAX® package options
- High-speed I²C-compatible serial interface with 400kHz Fast Mode and 1.7MHz High-Speed Mode
- Internal track/hold (T/H), voltage reference, and clock
- Software-configurable unipolar or bipolar, and single-ended or differential operation
- Internal FIFO with channel-scan mode
- Low power consumption with AutoShutdown™ feature reducing supply current to less than 1µA at low throughput rates
Applications
The MAX11645EWC+T is suitable for a wide range of applications due to its low power consumption, high accuracy, and compact design. These include:
- Portable and battery-powered devices
- Industrial automation and control systems
- Medical devices requiring precise analog-to-digital conversion
- Aerospace and defense applications where size and power efficiency are critical
- Automotive systems needing reliable and accurate data conversion
Q & A
- What is the resolution of the MAX11645EWC+T ADC?
The MAX11645EWC+T has a 12-bit resolution.
- How many channels does the MAX11645EWC+T support?
The device supports 1 or 2 channels, which can be configured as single-ended or one differential channel.
- What is the supply voltage range for the MAX11645EWC+T?
The supply voltage range is from 2.7V to 3.6V.
- What is the internal reference voltage of the MAX11645EWC+T?
The internal reference voltage is 2.048V.
- Can the MAX11645EWC+T operate with an external reference voltage?
- What is the maximum sample rate of the MAX11645EWC+T?
The maximum sample rate is up to 94.4ksps.
- How much current does the MAX11645EWC+T consume at a 1ksps sample rate?
The current consumption at a 1ksps sample rate is 6µA.
- What is the power-down current of the MAX11645EWC+T?
The power-down current is less than 1µA.
- What is the operating temperature range of the MAX11645EWC+T?
The operating temperature range is from -40°C to +85°C.
- What package types are available for the MAX11645EWC+T?
The device is available in a 12-WLCSP (Wafer Level Chip Scale Package) and an 8-pin µMAX® package.
